Dictionary Definition:
Āṇi (Vedic āṇi to aṇu fine, thin, flexible, in formation an n -- enlargement of Idg. *olenā, cp. Ohg. lun, Ger. lünse, Ags. lynes = E. linch, further related to Lat. ulna elbow, Gr. w)le/nh, Ohg. elina, Ags. eln = E. el -- bow. See Walde, Lāt. Wtb. under ulna & lacertus]. -- 1. the pin of a wheel -- axle, a linch -- pin M i.119; S ii.266, 267; A ii.32; Sn 654; J vi.253, 432; SnA 243; KhA 45, 50. -- 2. a peg, pin, bolt, stop (at a door) M i.119; S. ii 266 (drum stick); J iv.30; vi.432, 460; Th 1, 744; Dh i.39. <-> 3. (fig.) (˚ -- ) peg -- like (or secured by a peg, of a door), small, little in ˚colaka a small (piece of) rag Vin ii.271, cp. i.205 (vaṇabandhana -- colaka); ˚dvāra Th 1, 355; C. khuddaka -- dvāra, quoted at Brethren 200, trsl. by Mrs. Rh. D. as "the towngate's sallyport" by Neumann as "Gestöck" (fastening, enclosure) āṇi -- gaṇṭhikɔāhato ayopatto at Vism 108; DA i.199 is apparently a sort of brush made of four or five small pieces of flexible wood.